The effect of hormone replacement therapy and tibolone on lipoprotein (a) concentrations in postmenopausal women: a systematic review and meta-analysis - Anagnostis, Panagiotis; Galanis, Petros; Chatzistergiou, Vasileia; Stevenson, John C; Godsland, Ian F; Lambrinoudaki, Irene; Theodorou, Mamas; Goulis, Dimitrios G (Maturitas, 2017)